您要查找的是不是：
- The first earth resources technology satellite, Landsat, was launched in 1972. 第一个地球资源技术卫星"地球资源卫星"是1972年发射的；
- One possibility is the Technology Satellite of the 21st Century,or TechSat 21,a concept being studied by the Air Force Research Laboratory. 一个可能方案，是空军研究实验室正在研究的“21世纪技术卫星”。
- One possibility is the Technology Satellite of the 21st Century, or TechSat 21, a concept being studied by the Air Force Research Laboratory. 一个可能方案，是空军研究实验室正在研究的“21世纪技术卫星”。
- ACTS Advanced Communications Technology Satellite 先进的卫星通信技术
- ACTS Advanced communication technology satellite 先进通信技术卫星
- ERTS; earth resources technology satellite imagery; 地球资源技术卫星影象;
- Applications Technology Satellite 应用技术卫星
- Air Force Space Technology Satellite 空军航天技术卫星
- Broadcasting and Communication Technology Satellite 广播通信技术卫星
- application technology satellite (ATS) 应用技术卫星
- Geo-Stationary Technology Satellite 地球同步技术卫星
- Navigational Technology Satellite 导航技术卫星
- Navy Navigation Technology Satellite 海军导航技术卫星
- Navy Navigational Technology Satellite 海军导航技术卫星
- application technology satellite 应用技术卫星
- Operational Technology Satellite 实用技术卫星
- Meteorological Application Technology Satellite 气象应用技术卫星
- Small Applications Technology Satellite 小型应用技术卫星
- Technology is a booming sector of the economy. 技术是一个迅速发展的经济部门。
- earth resources technology satellite 地球资源技术卫星
